Transparent sorting: added maxdist and array size cvars which can be tweaked to incre...

git-svn-id: svn://svn.icculus.org/twilight/trunk/darkplaces@11090 d7cf8633-e32d-0410-b094-e92efae38249
::stable-branch::merge=ec581e708c6874f1e1fa64343421683fd16f8609

diff --git a/cl_particles.c b/cl_particles.c
index 392b46b765451f91520150a47ae6d293f8017381..43fb79f456ce98cdbc831a8e0e4d4e0f263c9ff1 100644 (file)
--- a/cl_particles.c
+++ b/cl_particles.c
@@ -2281,14 +2281,13 @@ static void r_part_newmap(void)
        CL_Particles_LoadEffectInfo();
 }
 
-#define BATCHSIZE 256
-unsigned short particle_elements[BATCHSIZE*6];
-float particle_vertex3f[BATCHSIZE*12], particle_texcoord2f[BATCHSIZE*8], particle_color4f[BATCHSIZE*16];
+unsigned short particle_elements[MESHQUEUE_TRANSPARENT_BATCHSIZE*6];
+float particle_vertex3f[MESHQUEUE_TRANSPARENT_BATCHSIZE*12], particle_texcoord2f[MESHQUEUE_TRANSPARENT_BATCHSIZE*8], particle_color4f[MESHQUEUE_TRANSPARENT_BATCHSIZE*16];
 
 void R_Particles_Init (void)
 {
        int i;
-       for (i = 0;i < BATCHSIZE;i++)
+       for (i = 0;i < MESHQUEUE_TRANSPARENT_BATCHSIZE;i++)
        {
                particle_elements[i*6+0] = i*4+0;
                particle_elements[i*6+1] = i*4+1;

diff --git a/gl_rmain.c b/gl_rmain.c
index ffcf1e68c74b45c2ae63d470df67fc4644875b93..4facb05d392bfc6f2acb24be25d70b3e2a2b28ce 100644 (file)
--- a/gl_rmain.c
+++ b/gl_rmain.c
@@ -121,6 +121,8 @@ cvar_t r_fog_exp2 = {0, "r_fog_exp2", "0", "uses GL_EXP2 fog (as in Nehahra) rat
 cvar_t r_fog_clear = {0, "r_fog_clear", "1", "clears renderbuffer with fog color before render starts"};
 cvar_t r_drawfog = {CVAR_SAVE, "r_drawfog", "1", "allows one to disable fog rendering"};
 cvar_t r_transparentdepthmasking = {CVAR_SAVE, "r_transparentdepthmasking", "0", "enables depth writes on transparent meshes whose materially is normally opaque, this prevents seeing the inside of a transparent mesh"};
+cvar_t r_transparent_sortmaxdist = {CVAR_SAVE, "r_transparent_sortmaxdist", "32768", "upper distance limit for transparent sorting"};
+cvar_t r_transparent_sortarraysize = {CVAR_SAVE, "r_transparent_sortarraysize", "4096", "number of distance-sorting layers"};
 
 cvar_t gl_fogenable = {0, "gl_fogenable", "0", "nehahra fog enable (for Nehahra compatibility only)"};
 cvar_t gl_fogdensity = {0, "gl_fogdensity", "0.25", "nehahra fog density (recommend values below 0.1) (for Nehahra compatibility only)"};
@@ -4101,6 +4103,8 @@ void GL_Main_Init(void)
        Cvar_RegisterVariable(&r_fog_clear);
        Cvar_RegisterVariable(&r_drawfog);
        Cvar_RegisterVariable(&r_transparentdepthmasking);
+       Cvar_RegisterVariable(&r_transparent_sortmaxdist);
+       Cvar_RegisterVariable(&r_transparent_sortarraysize);
        Cvar_RegisterVariable(&r_texture_dds_load);
        Cvar_RegisterVariable(&r_texture_dds_save);
        Cvar_RegisterVariable(&r_texture_sRGB_2d);
@@ -9965,8 +9969,7 @@ static void R_DrawSurface_TransparentCallback(const entity_render_t *ent, const
        int texturenumsurfaces, endsurface;
        texture_t *texture;
        const msurface_t *surface;
-#define MAXBATCH_TRANSPARENTSURFACES 256
-       const msurface_t *texturesurfacelist[MAXBATCH_TRANSPARENTSURFACES];
+       const msurface_t *texturesurfacelist[MESHQUEUE_TRANSPARENT_BATCHSIZE];
 
        // if the model is static it doesn't matter what value we give for
        // wantnormals and wanttangents, so this logic uses only rules applicable
@@ -10051,7 +10054,7 @@ static void R_DrawSurface_TransparentCallback(const entity_render_t *ent, const
                texture = surface->texture;
                rsurface.texture = R_GetCurrentTexture(texture);
                // scan ahead until we find a different texture
-               endsurface = min(i + MAXBATCH_TRANSPARENTSURFACES, numsurfaces);
+               endsurface = min(i + MESHQUEUE_TRANSPARENT_BATCHSIZE, numsurfaces);
                texturenumsurfaces = 0;
                texturesurfacelist[texturenumsurfaces++] = surface;
                if(FAKELIGHT_ENABLED)

diff --git a/gl_rsurf.c b/gl_rsurf.c
index 06d8fb03fe48b4fb1c946bb68bc2b84e0cb51056..9d5bca92fa303c5bfa4e1bc34e12ab55304c66eb 100644 (file)
--- a/gl_rsurf.c
+++ b/gl_rsurf.c
@@ -1487,7 +1487,8 @@ void R_Q1BSP_DrawLight(entity_render_t *ent, int numsurfaces, const int *surface
                        for (kend = k;kend < batchnumsurfaces && tex == batchsurfacelist[kend]->texture;kend++)
                                ;
                        // now figure out what to do with this particular range of surfaces
-                       if (!(rsurface.texture->currentmaterialflags & MATERIALFLAG_WALL))
+                       // VorteX: added MATERIALFLAG_NORTLIGHT
+                       if ((rsurface.texture->currentmaterialflags & (MATERIALFLAG_WALL + MATERIALFLAG_NORTLIGHT)) != MATERIALFLAG_WALL)
                                continue;
                        if (r_waterstate.renderingscene && (rsurface.texture->currentmaterialflags & (MATERIALFLAG_WATERSHADER | MATERIALFLAG_REFRACTION | MATERIALFLAG_REFLECTION | MATERIALFLAG_CAMERA)))
                                continue;

diff --git a/meshqueue.c b/meshqueue.c
index a5510be722631f7b7d196e555dff081c8027ad1f..aecb6ab63cb329dafba4824db7a0cf4c935df5ee 100644 (file)
--- a/meshqueue.c
+++ b/meshqueue.c
@@ -13,7 +13,14 @@ typedef struct meshqueue_s
 }
 meshqueue_t;
 
+int trans_sortarraysize;
+meshqueue_t **trans_hash = NULL;
+meshqueue_t ***trans_hashpointer = NULL;
+extern cvar_t r_transparent_sortarraysize;
+extern cvar_t r_transparent_sortmaxdist;
+
 float mqt_viewplanedist;
+float mqt_viewmindist;
 float mqt_viewmaxdist;
 meshqueue_t *mqt_array;
 int mqt_count;
@@ -24,6 +31,7 @@ void R_MeshQueue_BeginScene(void)
        mqt_count = 0;
        mqt_viewplanedist = DotProduct(r_refdef.view.origin, r_refdef.view.forward);
        mqt_viewmaxdist = 0;
+       mqt_viewmindist = 999999999;
 }
 
 void R_MeshQueue_AddTransparent(const vec3_t center, void (*callback)(const entity_render_t *ent, const rtlight_t *rtlight, int numsurfaces, int *surfacelist), const entity_render_t *ent, int surfacenumber, const rtlight_t *rtlight)
@@ -49,47 +57,67 @@ void R_MeshQueue_AddTransparent(const vec3_t center, void (*callback)(const enti
        mq->dist = DotProduct(center, r_refdef.view.forward) - mqt_viewplanedist;
        mq->next = NULL;
        mqt_viewmaxdist = max(mqt_viewmaxdist, mq->dist);
+       mqt_viewmindist = min(mqt_viewmindist, mq->dist);
 }
 
 void R_MeshQueue_RenderTransparent(void)
 {
-       int i;
-       int hashdist;
-       int batchnumsurfaces;
+       int i, hashindex, maxhashindex, batchnumsurfaces;
        float distscale;
        const entity_render_t *ent;
        const rtlight_t *rtlight;
        void (*callback)(const entity_render_t *ent, const rtlight_t *rtlight, int numsurfaces, int *surfaceindices);
+       int batchsurfaceindex[MESHQUEUE_TRANSPARENT_BATCHSIZE];
        meshqueue_t *mqt;
-       static meshqueue_t *hash[4096], **hashpointer[4096];
-       int batchsurfaceindex[256];
+
        if (!mqt_count)
                return;
-       memset(hash, 0, sizeof(hash));
-       for (i = 0;i < 4096;i++)
-               hashpointer[i] = &hash[i];
-       distscale = 4095.0f / max(mqt_viewmaxdist, 4095);
-       for (i = 0, mqt = mqt_array;i < mqt_count;i++, mqt++)
+
+       // check for bad cvars
+       if (r_transparent_sortarraysize.integer < 1 || r_transparent_sortarraysize.integer > 32768)
+               Cvar_SetValueQuick(&r_transparent_sortarraysize, bound(1, r_transparent_sortarraysize.integer, 32768));
+       if (r_transparent_sortmaxdist.integer < 1 || r_transparent_sortmaxdist.integer > 32768)
+               Cvar_SetValueQuick(&r_transparent_sortmaxdist, bound(1, r_transparent_sortmaxdist.integer, 32768));
+
+       // update hash array
+       if (trans_sortarraysize != r_transparent_sortarraysize.integer)
        {
-               // generate index
-               hashdist = (int) (mqt->dist * distscale);
-               hashdist = bound(0, hashdist, 4095);
+               trans_sortarraysize = r_transparent_sortarraysize.integer;
+               if (trans_hash)
+                       Mem_Free(trans_hash);
+               trans_hash = Mem_Alloc(cls.permanentmempool, sizeof(trans_hash) * trans_sortarraysize); 
+               if (trans_hashpointer)
+                       Mem_Free(trans_hashpointer);
+               trans_hashpointer = Mem_Alloc(cls.permanentmempool, sizeof(trans_hashpointer) * trans_sortarraysize); 
+       }
+
+       // build index
+       memset(trans_hash, 0, sizeof(trans_hash) * trans_sortarraysize);
+       for (i = 0; i < trans_sortarraysize; i++)
+               trans_hashpointer[i] = &trans_hash[i];
+       distscale = (trans_sortarraysize - 1) / max( min(mqt_viewmaxdist, r_transparent_sortmaxdist.integer) - mqt_viewmindist, 64 );
+       maxhashindex = trans_sortarraysize - 1;
+       for (i = 0, mqt = mqt_array; i < mqt_count; i++, mqt++)
+       {
+               hashindex = bound(0, (int)(min(mqt->dist - mqt_viewmindist, r_transparent_sortmaxdist.integer) * distscale - 0.1), maxhashindex);
                // link to tail of hash chain (to preserve render order)
                mqt->next = NULL;
-               *hashpointer[hashdist] = mqt;
-               hashpointer[hashdist] = &mqt->next;
+               *trans_hashpointer[hashindex] = mqt;
+               trans_hashpointer[hashindex] = &mqt->next;
        }
        callback = NULL;
        ent = NULL;
        rtlight = NULL;
        batchnumsurfaces = 0;
-       for (i = 4095;i >= 0;i--)
+
+       // draw
+       for (i = maxhashindex; i >= 0; i--)
        {
-               if (hash[i])
+               if (trans_hash[i])
                {
-                       for (mqt = hash[i];mqt;mqt = mqt->next)
+                       for (mqt = trans_hash[i]; mqt; mqt = mqt->next)
                        {
-                               if (ent != mqt->ent || rtlight != mqt->rtlight || callback != mqt->callback || batchnumsurfaces >= 256)
+                               if (ent != mqt->ent || rtlight != mqt->rtlight || callback != mqt->callback || batchnumsurfaces >= MESHQUEUE_TRANSPARENT_BATCHSIZE)
                                {
                                        if (batchnumsurfaces)
                                                callback(ent, rtlight, batchnumsurfaces, batchsurfaceindex);

diff --git a/meshqueue.h b/meshqueue.h
index 8e5b36e77702d6b77c47cb4ff00c3c39ec8e23ca..f54c4ce39e3e0320d12f2a230ebf4dd38ff39451 100644 (file)
--- a/meshqueue.h
+++ b/meshqueue.h
@@ -2,6 +2,9 @@
 #ifndef MESHQUEUE_H
 #define MESHQUEUE_H
 
+// VorteX: seems this value is hardcoded in other several defines as it's changing makes mess
+#define MESHQUEUE_TRANSPARENT_BATCHSIZE 256
+
 void R_MeshQueue_BeginScene(void);
 void R_MeshQueue_AddTransparent(const vec3_t center, void (*callback)(const entity_render_t *ent, const rtlight_t *rtlight, int numsurfaces, int *surfacelist), const entity_render_t *ent, int surfacenumber, const rtlight_t *rtlight);
 void R_MeshQueue_RenderTransparent(void);

diff --git a/model_brush.h b/model_brush.h
index cec784638b5c7b608c11b92476399fe4f71b83bd..906594ad4c893db4dc623ca2e12c10151c435070 100644 (file)
--- a/model_brush.h
+++ b/model_brush.h
@@ -116,6 +116,8 @@ mplane_t;
 #define MATERIALFLAG_TRANSDEPTH 33554432
 // like refraction, but doesn't distort etc.
 #define MATERIALFLAG_CAMERA 67108864
+// disable rtlight on surface, use R_LightPoint instead
+#define MATERIALFLAG_NORTLIGHT 134217728
 // combined mask of all attributes that require depth sorted rendering
 #define MATERIALFLAGMASK_DEPTHSORTED (MATERIALFLAG_BLENDED | MATERIALFLAG_NODEPTHTEST)
 // combined mask of all attributes that cause some sort of transparency

diff --git a/model_shared.c b/model_shared.c
index 9ea0751a5a981d366d728029b1351fd0c35809df..5257863db4e9870e369b5d6035b8f0c538951087 100644 (file)
--- a/model_shared.c
+++ b/model_shared.c
@@ -2073,6 +2073,8 @@ void Mod_LoadQ3Shaders(void)
                                        shader.dpshadow = true;
                                else if (!strcasecmp(parameter[0], "dpnoshadow"))
                                        shader.dpnoshadow = true;
+                               else if (!strcasecmp(parameter[0], "dpnortlight"))
+                                       shader.dpnortlight = true;
                                else if (!strcasecmp(parameter[0], "dpreflectcube"))
                                        strlcpy(shader.dpreflectcube, parameter[1], sizeof(shader.dpreflectcube));
                                else if (!strcasecmp(parameter[0], "dpmeshcollisions"))
@@ -2420,6 +2422,8 @@ nothing                GL_ZERO GL_ONE
                        texture->basematerialflags &= ~MATERIALFLAG_NOSHADOW;
                if (shader->dpnoshadow)
                        texture->basematerialflags |= MATERIALFLAG_NOSHADOW;
+               if (shader->dpnortlight)
+                       texture->basematerialflags |= MATERIALFLAG_NORTLIGHT;
                memcpy(texture->deforms, shader->deforms, sizeof(texture->deforms));
                texture->reflectmin = shader->reflectmin;
                texture->reflectmax = shader->reflectmax;

diff --git a/model_shared.h b/model_shared.h
index b79c1330fe0999c77808a46531ca390b5a137e25..a7ecd4fedc6b1eef85c7804ee5ad064b3155188d 100644 (file)
--- a/model_shared.h
+++ b/model_shared.h
@@ -445,6 +445,7 @@ typedef struct q3shaderinfo_s
        // dp-specific additions:
 
        // shadow control
+       qboolean dpnortlight;
        qboolean dpshadow;
        qboolean dpnoshadow;